data-dwh-dbt-project/models/intermediate/kpis/int_kpis__dimension_dates.sql

{{ config(materialized="table", unique_key="date") }}

with
    int_dates as (
        select *
        from {{ ref("int_dates") }}
        where date_day >= {{ var("kpis_start_date") }}
    ),
    raw_dates as (
        select
            id.year_number as year,
            id.month_of_year as month,
            id.iso_week_of_year as week,
            id.day_of_month as day,
            id.date_day as date,
            id.month_start_date as first_day_month,
            id.month_end_date as last_day_month,
            id.iso_week_start_date as first_day_week,
            id.iso_week_end_date as last_day_week,
            now()::date as today
        from int_dates id
    )
select distinct
    rd.year,
    rd.month,
    rd.week,
    rd.day,
    rd.date,
    rd.first_day_month,
    rd.last_day_month,
    case when rd.date = rd.last_day_month then true else false end as is_end_of_month,
    case
        when date_trunc('month', rd.date) = date_trunc('month', rd.today)
        then true
        else false
    end as is_current_month,
    case
        when date_trunc('month', rd.date) = date_trunc('month', rd.today)
        then true
        when
            rd.year = extract(year from rd.today) - 1
            and rd.month = extract(month from rd.today)
            and rd.day < extract(day from rd.today)
        then true
        else false
    end as is_month_to_date,
    rd.first_day_week,
    rd.last_day_week,
    case when rd.date = rd.last_day_week then true else false end as is_end_of_week,
    case
        when date_trunc('week', rd.date) = date_trunc('week', rd.today)
        then true
        else false
    end as is_current_week,
    case when rd.today - rd.date = 1 then true else false end as is_yesterday
from raw_dates rd
where
    -- include only up-to yesterday
    rd.today > rd.date